Soccer-Middlesbrough shock Chelsea in League Cup semi-final

Boro, who won the trophy in 2004, had chances on the counter-attack to increase their lead but will head to London believing they can reach Wembley. Chelsea's players were booed by some of their own fans at the final whistle but will have the chance to make amends in the second leg on Jan. 23.

Chelsea suffered a surprise 1-0 loss at second-tier Middlesbrough in the first leg of their League Cup semi-final on Tuesday with Hayden Hackney's goal giving Mauricio Pochettino's wasteful side plenty to do in the return. The 21-year-old Hackney's silky finish from an Isaiah Jones pass stunned the visitors in the 37th minute at the Riverside Stadium and the hosts defended superbly to take a slender advantage to Stamford Bridge.

Chelsea only had themselves to blame though as they dominated possession but squandered a host of chances -- the biggest culprit being Cole Palmer who failed to hit the target twice in the opening half with the goal gaping. Boro, who won the trophy in 2004, had chances on the counter-attack to increase their lead but will head to London believing they can reach Wembley.

Chelsea's players were booed by some of their own fans at the final whistle but will have the chance to make amends in the second leg on Jan. 23. Liverpool host Fulham in the first leg of the other semi-final on Wednesday.

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